diff --git a/hardware/p8-laptop.nix b/hardware/p8-laptop.nix
index 2a4cab6..2cbfa26 100644
--- a/hardware/p8-laptop.nix
+++ b/hardware/p8-laptop.nix
@@ -30,7 +30,7 @@
     hardware.sensor.iio.enable = true;
     services.udev.extraHwdb = ''
         sensor:modalias:acpi:BOSC0200*:dmi:*
-          ACCEL_MOUNT_MATRIX=-1, 0, 0; 0, 1, 0; 1, 0, 0
+          ACCEL_MOUNT_MATRIX=0, -1, 0; -1, 0, 0; 0, 0, 1
     '';
 
     # Enable sound.